Steel Single Flex Set Screw Composite Disc Couplings
Part Number: 6A77
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Technical Resources
| Single Set Screw Type Steel Hubs 6a77 Configuration | |
| Bore Size D1 | |
| Bore Size D2 | |
6A77 Specifications
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| Part Number | 6A77 |
| Continuous Rated Torque: | 15,600 in-lbs |
| Continuous Rated Torque : | 1,763 Nm |
| Peak Rated Torque: | 31,200 in-lbs |
| Peak Rated Torque : | 3,526 Nm |
| Maximum Bore (Ea) A Hub: | 2.875 inches |
| Maximum Bore (Ea) A Hub : | 75 mm |
| Maximum Bore (Eb) B Hub: | 3.875 inches |
| Maximum Bore (Eb) B Hub : | 100 mm |
| Maximum Speed: | 3,900 RPM |
| Torsional Stiffness: | 94,122 In-lbs/degree |
| Torsional Stiffness : | 609,303 Nm/rad |
| Parallel Misalignment: | 0.025 inches |
| Parallel Misalignment : | 0.60 mm |
| Angular Misalignment: | 3 ° |
| Axial Misalignment: | 0.160 inches |
| Axial Misalignment : | 4.1 mm |
| Weight at Max Bore (A Hubs): | 3.13 lbs |
| Weight at Max Bore (A Hubs) : | 1.42 kg |
| Weight at Max Bore (B Hubs): | 38.5 lbs |
| Weight at Max Bore (B Hubs) : | 17.5 kg |
| Inertia at Max Bore (A Hubs): | 209 lb-in² |
| Inertia at Max Bore (A Hubs) : | 612 kg-cm² |
| Inertia at Max Bore (B Hubs): | 318 lb-in² |
| Inertia at Max Bore (B Hubs) : | 931 kg-cm² |
| Outside Diameter (A): | 7.75 inches |
| Outside Diameter (A) : | 197 mm |
| Overall Length (L): | 7.26 inches |
| Overall Length (L) : | 184 mm |
| Hub Length (B): | 3.13 inches |
| Hub Length (B) : | 79.5 mm |
| Distance Between Shaft Ends (C): | 1.01 inches |
| Distance Between Shaft Ends (C) : | 25.7 mm |
| Inside Diameter of Disc-Pack (H): | 3.13 inches |
| Inside Diameter of Disc-Pack (H) : | 79 mm |
| A Hub Body Diameter (Ga): | 4.61 inches |
| A Hub Body Diameter (Ga) : | 117 mm |
| B Hub Body Diameter (Gb): | 6.46 inches |
| B Hub Body Diameter (Gb) : | 164 mm |